Patents by Inventor Philip L. Lundman
Philip L. Lundman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230332726Abstract: A mechanical plug includes first and second plug portions and an elongate member. The first plug portion includes a first endwall and a first sidewall. The first sidewall includes a female section extending in a direction along a longitudinal axis of the mechanical plug. The second plug portion is movable relative to the first plug portion. The second plug portion includes a second sidewall, a second endwall coupled to the second sidewall, and a seal. The second sidewall includes a male section extending in a direction along the longitudinal axis. The seal surrounds a portion of the male section in a region along the longitudinal axis between the second endwall and the female section. The elongate member is coupled to the first and second plug portions. Actuation of the elongate member moves the first plug portion and the second plug portion toward each other to compress the seal.Type: ApplicationFiled: June 26, 2023Publication date: October 19, 2023Inventor: Philip L. Lundman
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Patent number: 11692660Abstract: A mechanical plug includes first and second plug portions and an elongate member. The first plug portion includes a first endwall and a first sidewall. The first sidewall includes a female section extending in a direction along a longitudinal axis of the mechanical plug. The second plug portion is movable relative to the first plug portion. The second plug portion includes a second sidewall, a second endwall coupled to the second sidewall, and a seal. The second sidewall includes a male section extending in a direction along the longitudinal axis. The seal surrounds a portion of the male section in a region along the longitudinal axis between the second endwall and the female section. The elongate member is coupled to the first and second plug portions. Actuation of the elongate member moves the first plug portion and the second plug portion toward each other to compress the seal.Type: GrantFiled: August 6, 2021Date of Patent: July 4, 2023Assignee: Petersen Resources, LLCInventor: Philip L. Lundman
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Publication number: 20210404591Abstract: A flow restriction system is provided for restricting fluid flow through a pipe. The flow restriction system includes an anchor and an inflatable plug. The anchor includes an inflation conduit, a head, and a foot. The inflation conduit has a first end, a second end, and a passage. The second end is opposite the first end. The passage extends from the first end toward the second end. The head is coupled to the first end of the inflation conduit. The head includes an opening in fluid communication with the passage. The foot is coupled to the second end of the inflation conduit. The inflatable plug is coupled to the anchor. The inflatable plug includes an interior chamber. The interior chamber is in fluid communication with the passage. The head and the foot are configured to engage diametrically opposed sections of the pipe.Type: ApplicationFiled: June 2, 2021Publication date: December 30, 2021Inventor: Philip L. Lundman
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Publication number: 20210364117Abstract: A mechanical plug includes first and second plug portions and an elongate member. The first plug portion includes a first endwall and a first sidewall. The first sidewall includes a female section extending in a direction along a longitudinal axis of the mechanical plug. The second plug portion is movable relative to the first plug portion. The second plug portion includes a second sidewall, a second endwall coupled to the second sidewall, and a seal. The second sidewall includes a male section extending in a direction along the longitudinal axis. The seal surrounds a portion of the male section in a region along the longitudinal axis between the second endwall and the female section. The elongate member is coupled to the first and second plug portions. Actuation of the elongate member moves the first plug portion and the second plug portion toward each other to compress the seal.Type: ApplicationFiled: August 6, 2021Publication date: November 25, 2021Inventor: Philip L. Lundman
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Patent number: 11156319Abstract: A flow restriction system for restricting fluid flow through a pipe includes an anchor and an inflatable plug. The anchor includes an alignment body, a shield body, and a first fluid passage defined in the alignment body and the shield body. The shield body extends from the alignment body and has an upstream face and a downstream face. The downstream face is opposite the upstream face. The shield body is configured to block at least a portion of the fluid flow through the pipe. The inflatable plug is coupled to the downstream face of the shield body. The inflatable plug includes an interior chamber that is in fluid communication with the first fluid passage.Type: GrantFiled: June 26, 2019Date of Patent: October 26, 2021Inventor: Philip L. Lundman
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Patent number: 11085572Abstract: A mechanical plug includes first and second plug portions and an elongate member. The first plug portion includes a first endwall and a first sidewall. The first sidewall includes a female section extending in a direction along a longitudinal axis of the mechanical plug. The second plug portion is movable relative to the first plug portion. The second plug portion includes a second sidewall, a second endwall coupled to the second sidewall, and a seal. The second sidewall includes a male section extending in a direction along the longitudinal axis. The seal surrounds a portion of the male section in a region along the longitudinal axis between the second endwall and the female section. The elongate member is coupled to the first and second plug portions. Actuation of the elongate member moves the first plug portion and the second plug portion toward each other to compress the seal.Type: GrantFiled: April 29, 2019Date of Patent: August 10, 2021Inventor: Philip L. Lundman
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Publication number: 20200003352Abstract: A flow restriction system for restricting fluid flow through a pipe includes an anchor and an inflatable plug. The anchor includes an alignment body, a shield body, and a first fluid passage defined in the alignment body and the shield body. The shield body extends from the alignment body and has an upstream face and a downstream face. The downstream face is opposite the upstream face. The shield body is configured to block at least a portion of the fluid flow through the pipe. The inflatable plug is coupled to the downstream face of the shield body. The inflatable plug includes an interior chamber that is in fluid communication with the first fluid passage.Type: ApplicationFiled: June 26, 2019Publication date: January 2, 2020Inventor: Philip L. Lundman
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Publication number: 20190331282Abstract: A mechanical plug includes first and second plug portions and an elongate member. The first plug portion includes a first endwall and a first sidewall. The first sidewall includes a female section extending in a direction along a longitudinal axis of the mechanical plug. The second plug portion is movable relative to the first plug portion. The second plug portion includes a second sidewall, a second endwall coupled to the second sidewall, and a seal. The second sidewall includes a male section extending in a direction along the longitudinal axis. The seal surrounds a portion of the male section in a region along the longitudinal axis between the second endwall and the female section. The elongate member is coupled to the first and second plug portions. Actuation of the elongate member moves the first plug portion and the second plug portion toward each other to compress the seal.Type: ApplicationFiled: April 29, 2019Publication date: October 31, 2019Inventor: Philip L. Lundman
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Patent number: 9611739Abstract: A tunnel seal including a body, inflatable from a folded position to an inflated position, multiple positioning straps coupled to the body, an inflow port fluidly connected to the body, a pressure relief valve fluidly connected to the body, and a hot stab receptacle fluidly connected to the inflow port.Type: GrantFiled: May 28, 2010Date of Patent: April 4, 2017Inventor: Philip L. Lundman
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Patent number: 8936045Abstract: An inflatable plug assembly includes a first inflatable plug, a second inflatable plug, and a first mount coupled to the first inflatable plug. The first mount is configured to deliver fluid to and inflate the first inflatable plug. The inflatable plug assembly also includes a second mount coupled to the second inflatable plug. The second mount is configured to deliver fluid to and inflate the second inflatable plug. The second mount is secured to the first mount. The first inflatable plug and the second inflatable plug are independently inflatable.Type: GrantFiled: January 27, 2014Date of Patent: January 20, 2015Inventor: Philip L. Lundman
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Patent number: 8894115Abstract: A method of handling a generally cylindrical conduit includes positioning a lift cylinder within the generally cylindrical conduit. The lift cylinder includes an inflatable bag, an inflation port, and an attachment point. The method also includes connecting a fluid source to the inflation port, inflating the inflatable bag with the fluid source such that an outer surface of the inflatable bag engages an inner surface of the generally cylindrical conduit, connecting a winch to the attachment point, and moving the lift cylinder and the generally cylindrical conduit with the winch.Type: GrantFiled: March 15, 2013Date of Patent: November 25, 2014Inventor: Philip L. Lundman
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Publication number: 20140169928Abstract: A method of handling a generally cylindrical conduit includes positioning a lift cylinder within the generally cylindrical conduit. The lift cylinder includes an inflatable bag, an inflation port, and an attachment point. The method also includes connecting a fluid source to the inflation port, inflating the inflatable bag with the fluid source such that an outer surface of the inflatable bag engages an inner surface of the generally cylindrical conduit, connecting a winch to the attachment point, and moving the lift cylinder and the generally cylindrical conduit with the winch.Type: ApplicationFiled: March 15, 2013Publication date: June 19, 2014Inventor: Philip L. Lundman
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Publication number: 20140137971Abstract: An inflatable plug assembly includes a first inflatable plug, a second inflatable plug, and a first mount coupled to the first inflatable plug. The first mount is configured to deliver fluid to and inflate the first inflatable plug. The inflatable plug assembly also includes a second mount coupled to the second inflatable plug. The second mount is configured to deliver fluid to and inflate the second inflatable plug. The second mount is secured to the first mount. The first inflatable plug and the second inflatable plug are independently inflatable.Type: ApplicationFiled: January 27, 2014Publication date: May 22, 2014Inventor: Philip L. Lundman
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Patent number: 8636035Abstract: An inflatable plug assembly includes a first inflatable plug, a second inflatable plug, and a first mount coupled to the first inflatable plug. The first mount is configured to deliver fluid to and inflate the first inflatable plug. The inflatable plug assembly also includes a second mount coupled to the second inflatable plug. The second mount is configured to deliver fluid to and inflate the second inflatable plug. The second mount is secured to the first mount. The first inflatable plug and the second inflatable plug are independently inflatable.Type: GrantFiled: June 6, 2012Date of Patent: January 28, 2014Inventor: Philip L. Lundman
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Publication number: 20130048130Abstract: An inflatable plug assembly includes a first inflatable plug, a second inflatable plug, and a first mount coupled to the first inflatable plug. The first mount is configured to deliver fluid to and inflate the first inflatable plug. The inflatable plug assembly also includes a second mount coupled to the second inflatable plug. The second mount is configured to deliver fluid to and inflate the second inflatable plug. The second mount is secured to the first mount. The first inflatable plug and the second inflatable plug are independently inflatable.Type: ApplicationFiled: June 6, 2012Publication date: February 28, 2013Inventor: Philip L. Lundman
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Patent number: 8161999Abstract: A swing valve includes a body having an inner surface defining an opening, a plate positioned substantially within the opening of the body, and a pivot rod coupled to the body and the plate. The pivot rod defines a pivot axis. The plate is pivotable about the pivot axis relative to the body between an open position and a closed position. The swing valve also includes a locking mechanism coupled to the plate. The locking mechanism includes a member that is movable relative to the plate between a first position, in which the locking mechanism engages the body to lock the plate in the closed position, and a second position, in which the locking mechanism disengages the body to allow movement of the plate relative to the body.Type: GrantFiled: July 1, 2009Date of Patent: April 24, 2012Assignee: Petersen Products Co., LLCInventor: Philip L. Lundman
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Publication number: 20110135395Abstract: A tunnel seal including a body, inflatable from a folded position to an inflated position, multiple positioning straps coupled to the body, an inflow port fluidly connected to the body, a pressure relief valve fluidly connected to the body, and a hot stab receptacle fluidly connected to the inflow port.Type: ApplicationFiled: May 28, 2010Publication date: June 9, 2011Inventor: Philip L. Lundman
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Patent number: 7681591Abstract: An in-line swivel having a through bore for fluid flow therethrough. In one embodiment, the swivel comprises an inlet member having a first longitudinal axis and an outlet member having a second longitudinal axis. The outlet member is configured to rotate relative to the inlet member. The swivel also comprises a bearing having a third longitudinal axis. The bearing extends through at least a portion of at least one of the inlet member and the outlet member and includes a fluid passage such that the inlet member and the outlet member are in fluid communication through the bearing, and the first axis and the second axis are substantially perpendicular to the third axis.Type: GrantFiled: January 10, 2007Date of Patent: March 23, 2010Inventor: Philip L. Lundman
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Publication number: 20100001218Abstract: A swing valve includes a body having an inner surface defining an opening, a plate positioned substantially within the opening of the body, and a pivot rod coupled to the body and the plate. The pivot rod defines a pivot axis. The plate is pivotable about the pivot axis relative to the body between an open position and a closed position. The swing valve also includes a locking mechanism coupled to the plate. The locking mechanism includes a member that is movable relative to the plate between a first position, in which the locking mechanism engages the body to lock the plate in the closed position, and a second position, in which the locking mechanism disengages the body to allow movement of the plate relative to the body.Type: ApplicationFiled: July 1, 2009Publication date: January 7, 2010Inventor: Philip L. Lundman
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Patent number: 7588053Abstract: A system for restricting fluid flow through a conduit comprises a tapping saddle configured to couple to the conduit adjacent to an opening in the conduit, a valve coupled to the tapping saddle to allow selective access through the tapping saddle and the opening to an interior of the conduit, a tube insertable into the conduit through the opening, and an inflatable plug coupled to the tube and insertable into the conduit with the tube. The inflatable plug is inflatable within the conduit to restrict fluid flow. The inflatable plug includes a first plate positioned on an exterior surface of the inflatable plug, a second plate positioned on an interior surface of the inflatable plug, and at least one fluid port extending through the first plate and the second plate to facilitate inflation and deflation of the inflatable plug.Type: GrantFiled: October 27, 2008Date of Patent: September 15, 2009Inventor: Philip L. Lundman